process.stdin.resume();
process.stdin.setEncoding('ascii');

var input_stdin = "";
var input_stdin_array = "";
var input_currentline = 0;

process.stdin.on('data', function (data) {
    input_stdin += data;
});

process.stdin.on('end', function () {
    input_stdin_array = input_stdin.split("\n");
    main();    
});

function readLine() {
    return input_stdin_array[input_currentline++];
}

/////////////// ignore above this line ////////////////////

function main() {
    var q = parseInt(readLine());
    for(var a0 = 0; a0 < q; a0++){
        var s = readLine();
        
        if ((/[a-z]*h[a-z]*a[a-z]*c[a-z]*k[a-z]*e[a-z]*r[a-z]*r[a-z]*a[a-z]*n[a-z]*k[a-z]*/i).test(s)) {
            console.log('YES');
        } else {
            console.log('NO');
        }
        // your code goes here
    }

}